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April Weather in Brownsville, United States

Last updated: June 24, 2025

In April, the average temperature in Brownsville, United States is a pleasant 16°C (61°F). However, be prepared for a wide range of temperatures, with minimums dropping to -2°C (29°F) and peaks reaching up to 31°C (87°F). Expect some rain, as 143 mm (5.6 in) of precipitation typically falls over 11 days, contributing to an average humidity of 81%. Plan accordingly to enjoy the climate!

April Temperature in Brownsville

In April in Brownsville, the average temperature is 16°C (61°F). Maximums can reach 31°C (87°F) while minimums can drop as low as -2°C (29°F). This wide temperature range means that travelers should be prepared for both warm and chilly conditions.

April Weather in Brownsville: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Brownsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brownsville, April typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (87°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec414554607178817975645046
Data source: Temperature data for Brownsville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Brownsville

In Brownsville in April, the total precipitation amount reaches 143 mm (5.6 in) over the course of 11 days.

April Precipitation Trends in Brownsville

The chart displays monthly precipitation patterns in Brownsville, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Brownsville, April typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9917116614310310312311611311179144
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Brownsville

In Brownsville in April, humidity is 81%. With an average temperature of 16°C (61°F), this humidity feels like a warm, heavy blanket wrapping around you as you explore the sights, making it essential to stay hydrated and take regular breaks in the shade.

April Average Humidity in Brownsville

This chart illustrates the average monthly humidity levels in Brownsville, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Brownsville is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Brownsville

In Brownsville in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Brownsville.

Maximum UV Index Levels in Brownsville for April

The chart shows the monthly maximum UV Index (UVI) for Brownsville in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Brownsville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109753
Data source: Brownsville April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Brownsville Compares to Other Months

Weather in Brownsville varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Brownsville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Brownsville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)99 mm (3.9 inches)86%moderate
February Weather7°C (46°F)171 mm (6.7 inches)85%high
March Weather12°C (55°F)166 mm (6.5 inches)84%high
April Weather16°C (61°F)143 mm (5.6 inches)81%very high
May Weather22°C (71°F)103 mm (4.1 inches)83%very high
June Weather26°C (78°F)103 mm (4.1 inches)83%extreme
July Weather27°C (81°F)123 mm (4.9 inches)80%extreme
August Weather26°C (79°F)116 mm (4.6 inches)73%very high
September Weather24°C (75°F)113 mm (4.5 inches)70%very high
October Weather18°C (64°F)111 mm (4.4 inches)73%high
November Weather10°C (50°F)79 mm (3.1 inches)85%moderate
December Weather8°C (46°F)144 mm (5.7 inches)88%moderate

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